Proposed a simple algorithm called the sieve of Eratosthenes for calculating prime numbers.
Measuring the circumference of the earth contains some complicated concepts, particularly measurement of angles, but is also interesting because he was using what we would call a type of informal unit, the length of a stadium, for distance.
Eratosthenes lived from 276 to 195BC, dying at a very grand age of 82. He was notable as the third chief librarian of the Great Library of Alexandria, the center of science and learning in the ancient world.
Measuring the circumference of the earth contains some complicated concepts, particularly measurement of angles, but is also interesting because he was using what we would call a type of informal unit, the length of a stadium, for distance.
Eratosthenes lived from 276 to 195BC, dying at a very grand age of 82. He was notable as the third chief librarian of the Great Library of Alexandria, the center of science and learning in the ancient world.